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Bookmark or Share- 如何更换或更换戴尔台式机上的 CMOS 电池 | Dell 中国cmos 电池位于计算机内部并连接至系统主板（主板）。 CMOS 电池的续航时间因计算机的使用情况和环境而异（通常为 2-3 年）。 CMOS 电池故障的常见症状如下：BIOS 中的系统日期和时间不正确或过慢，计算机关机后 BIOS 设置丢失，出现计时时钟停止错误消息等等。
- How to Perform a BIOS or CMOS Reset and Clear the NVRAM on Dell ...Locate the 2-pin CMOS jumper labeled RTCRST on the motherboard. Move the 2-pin jumper plug from the password jumper to the pins on the CMOS jumper. Plug the power cable to the computer and wait for 10 seconds for the CMOS to clear. Disconnect the power cable from the computer. Move the 2-pin jumper plug back to the password jumper.
- PowerEdge: How to Replace a CMOS Battery | Dell USTo replace a CMOS battery, remove the air shroud, disconnect and remove any expansion cards, locate the battery socket, and carefully pry out the CMOS battery. After installing a new CMOS battery, you must reinstall the expansion cards, install the air shroud, and restore the BIOS settings, ensuring the battery is operating properly and the ...
- How to Replace a Coin-Cell Battery on Your Dell LaptopNOTE: You may have to search for both CMOS battery and coin-cell battery to see any results. To make the search box appear, press and hold the Ctrl key and press the F key. See the Dell Knowledge Base article Manuals and Documentation for your Dell Product , for information about how to obtain and view the documentation for your Dell device.
- How to Replace or Change a CMOS Battery on Your Dell DesktopThe CMOS (complementary metal oxide semiconductor) battery, also called coin-cell battery on the motherboard helps the BIOS or UEFI to store the hardware configuration settings. It helps keep a record of the date and time when the computer is switched off. The CMOS battery is inside the computer and attached to the system board (motherboard).
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